ACDelco 15-81939 GM Original Equipment Engine Coolant Thermostat Housing Assembly

The ACDelco 15-81939 is a GM Original Equipment engine coolant thermostat housing that securely holds the thermostat and serves as a connection point for the radiator hose inlet or outlet, and may also include ports for sensors or switches. This original equipment component is a GM-recommended replacement manufactured to fit GM vehicles, providing the same performance, durability, and service life you expect from General Motors.

Key Features:

• Genuine GM Original Equipment part validated by General Motors for GM vehicles, designed and engineered to meet rigorous standards
• Contains no remanufactured components and is designed for both city and highway driving conditions
• Machined to meet or exceed original equipment specifications
• Direct fit installation - sold individually
• Integrated thermostat and housing assembly for complete replacement solution

A properly functioning cooling system is vital to your engine's overall health and longevity, making it critical to replace leaking, malfunctioning, cracked, or otherwise damaged cooling components in time. This ACDelco thermostat housing assembly delivers OEM quality and reliable performance to maintain proper engine cooling and prevent overheating.